Base | Representation |
---|---|
bin | 110011100011… |
… | …1011011001101 |
3 | 1212212022220020 |
4 | 1213013123031 |
5 | 23404444440 |
6 | 2403212353 |
7 | 445522203 |
oct | 147073315 |
9 | 55768806 |
10 | 27031245 |
11 | 14292a7a |
12 | 90770b9 |
13 | 57a5927 |
14 | 3839073 |
15 | 258e3d0 |
hex | 19c76cd |
27031245 has 8 divisors (see below), whose sum is σ = 43250016. Its totient is φ = 14416656.
The previous prime is 27031231. The next prime is 27031247. The reversal of 27031245 is 54213072.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 27031245 - 26 = 27031181 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27031247) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 901027 + ... + 901056.
It is an arithmetic number, because the mean of its divisors is an integer number (5406252).
Almost surely, 227031245 is an apocalyptic number.
It is an amenable number.
27031245 is a deficient number, since it is larger than the sum of its proper divisors (16218771).
27031245 is a wasteful number, since it uses less digits than its factorization.
27031245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1802091.
The product of its (nonzero) digits is 1680, while the sum is 24.
The square root of 27031245 is about 5199.1581049243. The cubic root of 27031245 is about 300.1156776121.
The spelling of 27031245 in words is "twenty-seven million, thirty-one thousand, two hundred forty-five".
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